From 914a89872be27db59546525ea96be817c7b2509c Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 19 Dec 2013 11:37:22 -0500 Subject: drm/radeon/dpm: add a late enable callback Certain features need to be enabled after ring tests (e.g., powergating, etc.). Add a function pointer to split out late enable features. Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_pm.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_pm.c') diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 384758d..d4e5bcf 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -1288,6 +1288,18 @@ int radeon_pm_init(struct radeon_device *rdev) return radeon_pm_init_old(rdev); } +int radeon_pm_late_init(struct radeon_device *rdev) +{ + int ret = 0; + + if (rdev->pm.pm_method == PM_METHOD_DPM) { + mutex_lock(&rdev->pm.mutex); + ret = radeon_dpm_late_enable(rdev); + mutex_unlock(&rdev->pm.mutex); + } + return ret; +} + static void radeon_pm_fini_old(struct radeon_device *rdev) { if (rdev->pm.num_power_states > 1) { -- cgit v1.1